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William R. Pierce

William R. Pierce

Oklahoma City Lawyer Practicing Criminal Defense, Family Law & Estate Planning

William R. Pierce is a highly accomplished former prosecutor and trial lawyer having tried over 20 Felony Jury trials including drugs, violent crimes, and Murder cases. William graduated from the University of Colorado with a B.A. in Political Science and accepted a prestigious scholarship to attend law school at Oklahoma City University. He received his law degree in 2011 with honors. Upon graduation, William became an Assistant District Attorney for Oklahoma County. William was assigned to the Gang Unit and prosecuted felony crimes ranging from simple drug possession to Murder in the First Degree.

In 2015 William left the Oklahoma County DA’s Office upon being recruited to the Logan and Payne County District Attorney’s Office where he prosecuted felony cases including high profile murder cases. In August of 2016 William left the District Attorney’s Office to pursue private practice. He is now a fierce advocate for clients dealing with criminal defense, estate planning, and family law matters.


  • J.D. 2011, Oklahoma City University School of Law- With Distinction
  • B.A. Political Science 2007, University of Colorado at Denver

Bar Memberships

  • Oklahoma State Bar
  • US Supreme Court Bar

Professional Memberships

  • Oklahoma Bar Association
  • Oklahoma County Bar Association
  • Oklahoma Criminal Defense Lawyers Association

Former Client Experiences

  • “Compassionate, intelligent and hard-working.”

    David M.

  • “A wonderful man of the utmost integrity!”

    Brittan W.

  • “So thankful to have found such an amazing attorney!”

    Whitney S

  • “He’s helpful, good at communicating, and definitely worth hiring.”

    Former Client